I wish I did, as you already hit upon some of the things I would have tried myself, such as trying to restore the phone using more than one computer, just in case it wasn't the phone's/iPod's fault.
However, I am mostly interested in trying it because I can't
begin to tell you how many times someone has come up to me with problem X, where problem X
seems like a problem with an obvious solution, and then when I am able to successfully execute that solution in front of them, they exclaim to me, "how did you make it work for you? I tried doing that very same thing!" ...and I'll just nod my head and shrug my shoulders while thinking all the while, "yeah; I'm sure you did."
Not saying that's the case with these bricked phones. But I'd just like to see it for myself.
-- Nathan
P.S. -- How'd your Genius Bar appointment go? Were they able to resurrect it, or did they fail to do so, too, and end up replacing your hardware?